Vehicle designers are well aware that th
问题:
Vehicle designers are well aware that they need to ______ the idea of cars that have a low environmental impact.
A.end up with
B.put up with
C.keep up with
D.come up with
Vehicle designers are well aware that they need to ______ the idea of cars that have a low environmental impact.
A.end up with
B.put up with
C.keep up with
D.come up with